(under subclass 592) Process for manufacturing a gas and water article which (1) operates by the interaction of streams of fluids or (2) employs fluid dynamic phenomena to perform control, processing or actuation functions.
(1) Note. Automatic transmission making and brake system making are not included in this subclass.
(2) Note. Fluidic power device making is not included in this subclass.
(3) Note. Fluidic devices are themselves classified in Class 137, subclasses 803+.
(4) Note. Prior to the establishment of this subclass (890.09), this subject matter was indented under "Gas and Water Device Making" (old 29/157+). Other subclasses under Class 29, subclasses 592+ have not been screened for this subject matter.
SEE OR SEARCH THIS CLASS, SUBCLASS:
888+, for process of making a fluidic power device.